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Author Question: A 3.00-m-long 200-N ladder, leans against a smooth vertical wall with its base on a horizontal rough ... (Read 231 times)

KimWrice

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on: Jul 29, 2018
A 3.00-m-long 200-N ladder, leans against a smooth vertical wall with its base on a horizontal rough floor, a distance of 1.00 m away from the wall. The ladder is not completely uniform, so its center of gravity is 1.20 m from its base.
 
  What force of friction must the floor exert on the base of the ladder to prevent the ladder from sliding down? A) 93.3 N
  B) 130 N
  C) 28.3 N
  D) 102 N
  E) 150 N

Question 2

Our sun will conclude its life as
 
  A) a white dwarf.
  B) a black hole.
  C) a neutron star.
  D) a red giant.
  E) a daffodil.


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GCabra

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Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

A


KimWrice

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Reply #2 on: Jul 29, 2018
TY


GCabra

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Reply #3 on: Jul 29, 2018
You're welcome


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